.. include:: /Includes.rst.txt .. _deprecation-62855: ============================================================================== Deprecation: #62855 - "XHTML cleaning" functionality moved to legacy extension ============================================================================== See :issue:`62855` Description =========== XHTML cleaning is not necessary anymore, since modern technology bases completely on HTML5. Therefore the according functionality has been moved to the legacy extension EXT:compatibility6. The following TypoScript option has been marked for deprecation: .. code-block:: typoscript config.xhtml_cleaning The following PHP method has been marked for deprecation: .. code-block:: php TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController::doXHTML_cleaning() Impact ====== The content output of the TYPO3 frontend is not cleaned anymore unless EXT:compatibility6 is loaded. Affected installations ====================== Any installation having the TypoScript option :typoscript:`config.xhtml_cleaning` set will have different behaviour in the frontend rendering. Migration ========= For TYPO3 CMS 7, installing EXT:compatibility6 brings back the existing functionality. .. index:: TypoScript, Frontend